Type :1 PCI, 2 PCI(optional). Supports PCI 32 bit 33/66MHz bus two slot. Supports PCI slot 3.3V/1A, 3.3V/100mA, 5V/5A and 12V/500mA. Compliant PCI Specification Version. 2 PCI size：132x56mm. 1 PCI size：132x37mm.
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